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M3.7 Depth: 38.1 km

M3.7 Earthquake near 4 km WSW of Houston, Alaska (United States)

UTC time: 2025-10-09 09:24:18 UTC Local time: —

About this earthquake

On October 9, 2025 at 09:24 UTC, a magnitude M3.7 earthquake occurred near 4 km WSW of Houston, Alaska (United States). With a focal depth of about 38 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS. United States: 190 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude
M3.7
Depth
38.1 km
UTC time
2025-10-09 09:24:18 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.61030, -149.88870
Temperature
8.1°C

Map

Depth profile

Depth profile Depth: 38.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 38.1 km
Shallow
38.1 km
38.1 km — deeper than the regional average (15.4 km)
Regional average: 15.4 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Spurr
    Distance: 130 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 133 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 198 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 247 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 282 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 311 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Historic earthquake map · United States

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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